1 files changed, 1 insertions, 1 deletions

diff --git a/drivers/net/e1000/e1000_ethtool.c b/drivers/net/e1000/e1000_ethtool.c
index b83ccce8a9b7..2e44191d4b42 100644
--- a/drivers/net/e1000/e1000_ethtool.c
+++ b/drivers/net/e1000/e1000_ethtool.c
@@ -110,7 +110,7 @@ static const char e1000_gstrings_test[][ETH_GSTRING_LEN] = {
         "Interrupt test (offline)", "Loopback test  (offline)",
         "Link test   (on/offline)"
 };
-#define E1000_TEST_LEN sizeof(e1000_gstrings_test) / ETH_GSTRING_LEN
+#define E1000_TEST_LEN  ARRAY_SIZE(e1000_gstrings_test)
 
 static int
 e1000_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)